| Patents for B23Q 11 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools (20,102) |
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| 01/14/1992 | US5079828 Automatic tool-replacement apparatus |
| 01/09/1992 | DE4121513A1 Cutting machine for plate type material using beam e.g. laser - includes table arranged on machine bed for reception of material with radiation source above |
| 01/09/1992 | DE4019427A1 Thread cutting tool for use with machine tool - has axial hole and longitudinal grooves for flow of cooling medium |
| 01/07/1992 | US5079713 Method and apparatus for preventing tool collison |
| 01/07/1992 | US5078553 Compact drill sampler for quantitation of microorganisms in wood |
| 01/07/1992 | US5078256 Machine tool having a chip collecting apparatus |
| 01/07/1992 | US5077998 Machine tool |
| 01/07/1992 | US5077942 Vibration damped hand held rotary grinding machine |
| 01/02/1992 | EP0463572A1 Mandrel structure particularly for diamond mills, abrasive grinding wheels and the like |
| 01/02/1992 | EP0463442A1 Process and device for preparing wastes from machining by removal of ferromagnetic materials |
| 01/02/1992 | DE4020773A1 Drilling and chisel hammer - incorporates fluid container, fluid being activated by compressed air or pump for spraying against dust produced |
| 12/31/1991 | US5076714 Rectilinear sliding bearing and assembling method thereof |
| 12/31/1991 | US5075955 Indexing apparatus |
| 12/24/1991 | US5074723 Method and apparatus for balancing a rotary tool assembly |
| 12/24/1991 | US5074160 Feed unit apparatus |
| 12/24/1991 | US5074044 Dust disposal attachment for a rotary element of a power tool |
| 12/18/1991 | EP0461733A2 High speed precision drilling system |
| 12/17/1991 | US5072522 Counterbalance control apparatus |
| 12/17/1991 | US5072506 For locating and assuming a position with respect to an object that is |
| 12/12/1991 | WO1991018724A1 Automatic guarding of rotating cutters |
| 12/11/1991 | EP0460282A1 Grinding wheel having grinding monitoring and automatic wheel balance control functions |
| 12/05/1991 | DE4117723A1 Machine tool with multiple vertical spindles - has tools extending upwards from spindles and workpieces mounted above spindles |
| 12/04/1991 | EP0459205A1 Accessory for a shot blasting apparatus removing the blasting medium from large workpieces |
| 12/04/1991 | EP0459121A2 Sliding guide for handheld machine tool |
| 12/03/1991 | US5069695 Tent-free apparatus for particulate contamination control |
| 12/03/1991 | US5069620 Dental handpiece |
| 11/28/1991 | WO1991017861A1 Machine tool |
| 11/27/1991 | EP0458632A1 A tool and workpiece mist lubrication system |
| 11/27/1991 | EP0458499A2 Apparatus for cooling a spindle bearing of a machine |
| 11/27/1991 | EP0458014A2 Cleaning device for tool-holders |
| 11/27/1991 | EP0457841A1 Apparatus and method for dispensing solution to prevent smear in the manufacture of printed circuit boards |
| 11/26/1991 | US5068129 Process for converting a fluid system of a machine from an oil based fluid system to a water based fluid system |
| 11/26/1991 | US5067514 Apparatus for tapping a fluid through a wall |
| 11/26/1991 | US5067285 Seal belt assembly for compartments in which blasting, spraying and the like operations are performed |
| 11/21/1991 | EP0457702A1 Boring head |
| 11/21/1991 | EP0244406B1 Device designed to absorb vibrations |
| 11/14/1991 | DE4015241A1 Grease lubricated bearings for machine tool spindle - has passageways for flow of air to prevent ingress of cooling fluid and second annular gap through bearing |
| 11/13/1991 | EP0456598A2 Suction device for a rotary or percussion hand drill |
| 11/13/1991 | EP0456590A1 Valve head grinding device, particularly for an internal combustion engine |
| 11/13/1991 | EP0455994A2 Eccentric drive for radially oscillating rollers, rolling cutters and milling drilling tools |
| 11/13/1991 | EP0455829A1 Board holder in printed board boring machine |
| 11/13/1991 | EP0426808A4 Tool assembly with a hydraulic chip-breaking fluid system |
| 11/12/1991 | US5064322 Joint for modular toolholder device of a tool machine for the working of metals and other |
| 11/08/1991 | CA2041977A1 Valve head rectifying device, particularly for an internal combustion engine |
| 11/06/1991 | EP0455618A1 A vibration damped hand held rotary grinding machine |
| 11/06/1991 | EP0455452A1 Dental handpiece |
| 11/05/1991 | US5063322 Feed mechanism with a sliding member guided by a hydrostatic bearing |
| 11/05/1991 | US5062743 Drilling device |
| 11/05/1991 | US5062330 Machine tool with a cooled motor spindle |
| 10/31/1991 | WO1991016172A1 Interference prevention system of machining head |
| 10/31/1991 | DE4013295A1 Threaded spindle drive with safety cut=out - has plate spring packet operating cut=out switch via axial displacement spindle |
| 10/31/1991 | DE4005181C1 Machine tool work spindle drive - has angularly adjustable motor with spur gearing controlled via pawl |
| 10/29/1991 | US5061124 Drilling machine |
| 10/29/1991 | US5061123 Dust collector adaptor for electric drills |
| 10/29/1991 | US5060544 Method of an apparatus for retracting tool in numberical control machine tool |
| 10/27/1991 | WO1991016541A1 Pump mounting apparatus for filtration system |
| 10/27/1991 | CA2080247A1 Pump mounting apparatus for filtration system |
| 10/23/1991 | EP0452735A1 Machining centre |
| 10/23/1991 | EP0452310A1 Support structures. |
| 10/22/1991 | US5058232 Scraping arrangement for telescopic steel covers |
| 10/17/1991 | WO1991015333A2 Ultrafast electro-dynamic x, y and theta positioning stage |
| 10/15/1991 | US5056970 Fiberglass planer |
| 10/15/1991 | US5056969 Magnetically attachable shield for machine tools |
| 10/15/1991 | US5056745 Geared head and method for selective position of a camera |
| 10/09/1991 | EP0449869A1 Mechanical devices and structures |
| 10/09/1991 | EP0449850A1 Hand circular saw. |
| 10/09/1991 | EP0267248B1 Scraper device for telescopic steel coverings |
| 10/09/1991 | CN1014216B Method and apparatus for thread mill drilling |
| 10/08/1991 | US5054175 Machine tool having automatic changeable tables |
| 10/02/1991 | EP0449460A1 Tool-rest driving device |
| 10/02/1991 | DE3943595A1 Chip catching device for table spindle-moulder - can operate safely with curved workpieces |
| 10/01/1991 | US5052497 Apparatus for driving a drilling or percussion tool |
| 10/01/1991 | US5052436 Device for feeding a fluid to a rotating machine part |
| 10/01/1991 | US5052208 Machine tool |
| 09/26/1991 | DE4009124A1 Overload safety control for machine drives - consists of drive hub, sleeve with rolls, and thrust ring |
| 09/25/1991 | EP0448485A1 Linear guide module for translation and manipulation of pieces and accessories |
| 09/25/1991 | EP0448484A1 Protective covering for a linear guide module for translation and manipulation of pieces and accessories |
| 09/25/1991 | EP0447772A1 Bandsaw guide |
| 09/23/1991 | CA2038564A1 Seal for linear guiding module for parts and accessory handling and transferring |
| 09/23/1991 | CA2038216A1 Linear guiding module for parts and accessory handling and transferring |
| 09/19/1991 | WO1991013724A1 Pincers for jointing or reshaping parts |
| 09/18/1991 | EP0268659B1 Coordinate positioning apparatus |
| 09/12/1991 | DE4007011A1 Space-saving test head positioner - has hollow shaft clamping to stand with reduced counterweight via pulley system |
| 09/11/1991 | EP0445615A1 Quick-change chuck with a cooling lubricant seal |
| 09/11/1991 | EP0362241A4 Coolant flow control |
| 09/11/1991 | CN2084405U Inner-cooling rotary cutter liquid feeder |
| 09/10/1991 | US5046255 Air deflector for circular saw |
| 09/05/1991 | WO1991012913A1 A cutting insert, a tool holder therefor and a method of machining with fluid jet assistance |
| 09/05/1991 | DE4006744A1 Machine-tool external vibration-damping system - comprises rigid plate with damping units on underside and accommodating machine |
| 09/04/1991 | EP0444909A2 Hand-held power tool with a rotary driven tool |
| 08/29/1991 | DE4105207A1 Workpiece holder for woodworking machine - has optical arrangement monitoring workpiece distance from slide surface and distance between workpiece surfaces |
| 08/29/1991 | DE3943491C1 Cold gas generator and feeder to grinding and polishing tool(s) - has gas mixt. container in line from liquefied gas reservoir to tool(s) |
| 08/28/1991 | EP0443534A1 Overload detection system for a machine tool |
| 08/28/1991 | EP0443505A1 Cutting device with codant feed to a saw blade |
| 08/28/1991 | EP0443445A1 Drilling jig for dowel holes in building walls or ceilings |
| 08/28/1991 | EP0443396A2 Apparatus to cut longitudinally a moving strip of material |
| 08/27/1991 | US5042618 Liquid/gas delivery system |
| 08/27/1991 | US5042596 Imbalance compensated drill bit |
| 08/27/1991 | US5042335 Method and apparatus for manufacturing a body with a surface of revolution at its end with the axis thereof aligned with an axis of the body |
| 08/22/1991 | DE4004718A1 Telescopic cover for machine tool slideways - is fabricated from two sheet metal parts requiring only simple cutting and bending operations |